Trigonometric Ratios and Functions
This is my collection of trigonometry materials, from junior to senior levels. Some items are copied or adapted from the [url=https://www.gmath.hk]gMath site[/url].
There are also Desmos activities with similar design in my [url=https://teacher.desmos.com/collection/5caef6421e821b51df80373f]collection page[/url], especially the core idea of using and emphasising the unit circle in the process of learning.
